*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body,html{
    font-size: 2vw;
}
body{
    display: flex;
    flex-direction: column;
}
main{
    flex: 1;
    overflow: auto;
}
img{
    display: block;
}
a,u{
    text-decoration: none;
    color: black;
}
ul{
    li{
        list-style: none
    }
}
input,select{
    outline: none;
}
h1,h2,h3,h4,h5,h6,i,b,em{
    font-style: normal;
    font-weight: normal;
}
.clear:after{
    content: '';
    display: block;
    clear:both;
    width: 0;
    height: 0;
    overflow: hidden;
}
